Scientists know that some methods used to increase the food supply are dangerous to humans. Which method is known to be harmful to human health? A. Using genetically engineered crops B. Spreading pesticides with planes C. Increasing the number of vertical farms D. Increasing the number of rural farms
Explanation: The use of pesticides has allowed the world’s food production to expand greatly over the last century. However, the chemicals in pesticides can be dangerous to humans and animals.
